Trailer coupler lock



FIG. 1 is a perspective view of the front and right side of the trailercoupler lock of my design.

FIG. 2 is a perspective view of the back and right side thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The ornamental design for a trailer coupler lock, as shown.